2.7 sec in total
37 ms
2 sec
631 ms
Click here to check amazing Library AMNH content for United States. Otherwise, check out these important facts you probably never knew about library.amnh.org
Welcome to the David S. and Ruth L. Gottesman Research Library and Learning Center, the Museum’s repository for published scientific literature and archives.
Visit library.amnh.orgWe analyzed Library.amnh.org page load time and found that the first response time was 37 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
library.amnh.org performance score
name
value
score
weighting
Value2.7 s
59/100
10%
Value13.1 s
0/100
25%
Value9.2 s
13/100
10%
Value2,240 ms
6/100
30%
Value0
100/100
15%
Value18.4 s
3/100
10%
37 ms
153 ms
480 ms
35 ms
71 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Library.amnh.org, 44% (33 requests) were made to Amnh.org and 8% (6 requests) were made to Consentag.eu. The less responsive or slowest element that took the longest time to load (480 ms) relates to the external source Googletagmanager.com.
Page size can be reduced by 349.9 kB (38%)
931.9 kB
581.9 kB
In fact, the total size of Library.amnh.org main page is 931.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 522.9 kB which makes up the majority of the site volume.
Potential reduce by 345.6 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 204.9 kB, which is 54% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 345.6 kB or 91% of the original size.
Potential reduce by 1 B
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Library AMNH images are well optimized though.
Potential reduce by 4.3 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 4.3 kB or 15% of the original size.
Number of requests can be reduced by 46 (82%)
56
10
The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Library AMNH. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.
library.amnh.org
37 ms
research-library
153 ms
gtm.js
480 ms
488794743153594d558c30db374f6f69_1712248175_all.css
35 ms
lazysizes_with_bg.min.js
71 ms
69faf49f49c795c18b4527e4a6e0fd15.js
20 ms
email-decode.min.js
26 ms
edacb30457a460d825a6b1ba77a772a0_1712248175.js
63 ms
acca09b4fe2c4a65c2b204c15cb372a3_1689180647.js
478 ms
ls.respimg.min.js
430 ms
amnh-logo-white.svg
162 ms
search_lime.svg
161 ms
search_white.svg
160 ms
tree_blue.svg
159 ms
share_blue.svg
160 ms
share_black.svg
224 ms
google-classroom_white.svg
223 ms
circle_blue.svg
225 ms
plus_blue.svg
226 ms
plus_black.svg
225 ms
search_blue.svg
222 ms
search_black.svg
228 ms
AMNHSans-400.woff
186 ms
AMNHSans-500.woff
191 ms
AMNHSans-300.woff
185 ms
AMNHSans-600.woff
188 ms
AMNHSans-700.woff
187 ms
AMNHSerif-300.woff
189 ms
AMNHSerif-400.woff
189 ms
AMNHSerif-500.woff
352 ms
AMNHSerif-600.woff
354 ms
AMNHSerif-700.woff
354 ms
fa-brands-400.ttf
355 ms
carat-left_black.svg
117 ms
carat-left_blue.svg
114 ms
gottesman-reading-room-visitors-ak_230414_5559_fullbleed_2880.jpg
87 ms
js
72 ms
destination
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destination
266 ms
fbevents.js
348 ms
consenTag.js
420 ms
c7e3b9a0-b847-013a-5093-0cc47a8ffaac
347 ms
up_loader.1.1.0.js
342 ms
356586
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events.js
338 ms
consenTag.js
407 ms
activityi;src=9432320;type=visit;cat=amnh-0;ord=1;num=4386012720014;npa=0;auiddc=1726688729.1716083111;pscdl=noapi;frm=0;gtm=45fe45f0v9177258950z86342798za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.amnh.org%2Fresearch%2Fresearch-library
199 ms
main.MWNkMWZjOGNjMA.js
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pixel
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getuidnb
139 ms
generic
91 ms
bounce
37 ms
popup_silent.html
16 ms
popup_silent.html
15 ms
pixel
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pixel
25 ms
jquery.min.js
44 ms
mustache.min.js
54 ms
jquery.min.js
67 ms
ttd
47 ms
pixel
21 ms
pixel
20 ms
AdX
41 ms
pixel
52 ms
src=13198245;type=track0;cat=ameri0;qty=1;cost=0;u1=;u16=;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=;npa=;gdpr=$%7BGDPR%7D;gdpr_consent=$%7BGDPR_CONSENT_755%7D;ord=orderID
120 ms
src=9432320;type=visit;cat=amnh-0;ord=1;num=4386012720014;npa=0;auiddc=*;pscdl=noapi;frm=0;gtm=45fe45f0v9177258950z86342798za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.amnh.org%2Fresearch%2Fresearch-library
159 ms
getuam
54 ms
getuam
60 ms
pixel
100 ms
integration
93 ms
integration
83 ms
integration
88 ms
spp.pl
20 ms
spp.pl
13 ms
src=11498468;type=invmedia;cat=amnh_0;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=;tfua=;npa=;gdpr=0;gdpr_consent=;ord=1
63 ms
library.amnh.org accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
library.amnh.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
library.amnh.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Library.amnh.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Library.amnh.org main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
library.amnh.org
Open Graph data is detected on the main page of Library AMNH. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: